<template>
  <div class="sidebar">
    <el-menu
      class="sidebar-el-menu"
      :default-active="onRoutes"
      :collapse="sidebar.collapse"
      :background-color="sidebar.bgColor"
      :text-color="sidebar.textColor"
      router
    >
      <template v-for="item in menuData">
        <!--一级菜单内容模板-->
        <template v-if="item.children">
          <el-sub-menu :index="item.index" :key="item.index" v-permiss="item.id">
            <template #title>
              <el-icon>
                <component :is="item.icon"></component>
              </el-icon>
              <span>{{ item.title }}</span>
            </template>
            <!--这里是二级子节点-->
            <template v-for="subItem in item.children">
              <el-sub-menu
                v-if="subItem.children"
                :index="subItem.index"
                :key="subItem.index"
                v-permiss="item.id"
              >
                <template #title>
                  <el-icon v-if="subItem.icon != null">
                    <component :is="subItem.icon"></component>
                  </el-icon>
                  {{ subItem.title }}</template
                >
                <el-menu-item
                  v-for="(threeItem, i) in subItem.children"
                  :key="i"
                  :index="threeItem.index"
                >
                  {{ threeItem.title }}
                </el-menu-item>
              </el-sub-menu>
              <el-menu-item v-else :index="subItem.index" v-permiss="item.id">
                <el-icon v-if="subItem.icon != null">
                  <component :is="subItem.icon"></component>
                </el-icon>
                {{ subItem.title }}
              </el-menu-item>
            </template>
          </el-sub-menu>
        </template>
        <template v-else>
          <el-menu-item :index="item.index" :key="item.index" v-permiss="item.id">
            <el-icon>
              <component :is="item.icon"></component>
            </el-icon>
            <template #title>{{ item.title }}</template>
          </el-menu-item>
        </template>
      </template>
    </el-menu>
  </div>
</template>

<script setup lang="ts">
import { computed } from 'vue'
import { useSidebarStore } from '../stores/sidebar'
import { useRoute } from 'vue-router'
import { menuData } from '@/components/menu'

const route = useRoute()

// 当路由改变时，更新菜单栏索引
const onRoutes = computed(() => {
  return route.path
})

const sidebar = useSidebarStore()
</script>

<style scoped>
.sidebar {
  display: block;
  position: absolute;
  left: 0;
  top: 70px;
  bottom: 0;
  overflow-y: scroll;
}

.sidebar::-webkit-scrollbar {
  width: 0;
}

.sidebar-el-menu:not(.el-menu--collapse) {
  width: 250px;
}

.sidebar-el-menu {
  min-height: 100%;
}
</style>
